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1052420250 = 23537200461
BaseRepresentation
bin111110101110101…
…010100010011010
32201100022111011210
4332232222202122
54123404422000
6252233003550
735036265420
oct7656524232
92640274153
101052420250
114a0077a02
122545535b6
1313a06209b
149dab5110
15625d8350
hex3ebaa89a

1052420250 has 64 divisors (see below), whose sum is σ = 3002118912. Its totient is φ = 240552000.

The previous prime is 1052420233. The next prime is 1052420293. The reversal of 1052420250 is 520242501.

It is a happy number.

It is a super-2 number, since 2×10524202502 = 2215176765220125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94981 + ... + 105480.

It is an arithmetic number, because the mean of its divisors is an integer number (46908108).

Almost surely, 21052420250 is an apocalyptic number.

1052420250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1052420250 is an abundant number, since it is smaller than the sum of its proper divisors (1949698662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052420250 is a wasteful number, since it uses less digits than its factorization.

1052420250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200488 (or 200478 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1052420250 is about 32441.0272648694. The cubic root of 1052420250 is about 1017.1766887674.

Adding to 1052420250 its reverse (520242501), we get a palindrome (1572662751).

The spelling of 1052420250 in words is "one billion, fifty-two million, four hundred twenty thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 175 210 250 350 375 525 750 875 1050 1750 2625 5250 200461 400922 601383 1002305 1202766 1403227 2004610 2806454 3006915 4209681 5011525 6013830 7016135 8419362 10023050 14032270 15034575 21048405 25057625 30069150 35080675 42096810 50115250 70161350 75172875 105242025 150345750 175403375 210484050 350806750 526210125 1052420250